iow.dk

📜 Historical scan 2026-09-13 05:01:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iow.dk is a .dk domain served by 2 nameservers (holly.ns.cloudflare.com, sam.ns.cloudflare.com). It was registered on 10 May 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.52.164 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.iow.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 174ms

Nameserver	IP addresses	PTR	ASN / ISP
holly.ns.cloudflare.com	108.162.194.133 162.159.38.133 172.64.34.133 2606:4700:50::a29f:2685 2803:f800:50::6ca2:c285 2a06:98c1:50::ac40:2285	holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com holly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sam.ns.cloudflare.com	108.162.193.141 172.64.33.141 173.245.59.141 2606:4700:58::adf5:3b8d 2803:f800:50::6ca2:c18d 2a06:98c1:50::ac40:218d	sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 181ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.52.164	300s	goegsig.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 169ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.iow.dk	195.242.131.2	web.e-studio.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.242.131.2
🔶 Autoconfig	195.242.131.2

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 279ms

TXT Record
v=spf1 +mx +a +ip4:195.242.131.2 +include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (iow.dk)
~all (soft fail)	v=spf1 +mx +a +ip4:195.242.131.2 +include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.iow.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 19:24:55

www CNAME	iow.dk (all on iow.dk) → 5.186.52.164 (AS44869)
www vs bare domain	Same network iow.dk: 5.186.52.164 (AS44869) www.iow.dk: 5.186.52.164 (AS44869)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

244ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2414426573
Primary NS (MNAME)	holly.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 11:36:36

Field	Value
Registrar	Simply.com A/S
Registered	2006-05-10
Expires	2029-05-31 (955d)

📋 WHOIS#

⏱️ Lookup Timing#

174ms

181ms

169ms

AAAA

143ms

TXT

279ms

CAA

105ms

HTTPS

124ms

TLSA

130ms

SOA

0ms

MTA-STS

172ms

DNSSEC

244ms

SRV

166ms

Total

1038ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:24:55	425ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-07 11:22:36	1451ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-04 08:50:55	530ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 01:33:51	647ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 06:19:06	1381ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-13 05:01:42 shown	1038ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-06 04:16:37	2383ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-09 20:27:38	3733ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-17 12:39:31	804ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-13 00:40:27	2926ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 19:36:52	809ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 19:41:13	927ms	2 NS 1 A 1 MX	🔓 Insecure